Tripper

The Meteorite Manifestation Airs Thursday, January 31 at 8/7c on CBS Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaking the law. Also, Leonard is disappointed when his friends exclude him from a scientific project. Andy Daly guest stars as Nathan. Brian Posehn and Lauren Lapkus return as Bert and Denise, respectively.

The Confirmation Polarization Airs Thursday, January 17 at 8/7c on CBS When Sheldon and Amy’s super asymmetry theory is proven by two physicists, Dr. Pemberton (Sean Astin) and Dr. Campbell (Kal Penn) from Chicago, they’re thrilled, until they try to kick Amy off the Nobel nomination. Also, Bernadette has a big success at work and Penny’s going to be a part of it – whether she wants to or not.

The second season of Young Sheldon will return to the U.K.'s E4 later this month: https://young-sheldon.com/news/young-sheldons-second-season-returns-to-uk/

Season 2, Episode 13 - A Nuclear Reactor and a Boy Called Lovey Airs January 17, 2019 at 8:30/7:30c on CBS Sheldon attempts to build a nuclear reactor. Also, a university cocktail party gets heated when Dr. Sturgis’ colleague, Dr. Linkletter, flirts with Meemaw, and Georgie is heartbroken when he learns Veronica has a boyfriend. Ed Begley, Jr. guest stars.

The Propagation Proposition Airs Thursday, January 10 at 8/7c on CBS Penny's ex-boyfriend, Zack (Brian Thomas Smith), and his wife want a baby, but when Zack is infertile, they ask Leonard for help. Also, Koothrappali attempts to mend things with his ex-fiancée, Anu.

The Confirmation Polarization Airs Thursday, January 17 at 8/7c on CBS When Sheldon and Amy’s super asymmetry theory is proven by two physicists, Dr. Pemberton (Sean Astin) and Dr. Campbell (Kal Penn) from Chicago, they’re thrilled, until they try to kick Amy off the Nobel nomination. Also, Bernadette has a big success at work and Penny’s going to be a part of it – whether she wants to or not. Sean Astin and Kal Penn guest star.

Regina King won Best Supporting Actress in a Motion Picture for If Beale Street Could Talk.

The Paintball Scattering Airs Thursday, January 3 at 8/7c on CBS Penny and Leonard organize a paintball game that results in mayhem when Sheldon is jealous of Amy. Also, Koothrappali catches Anu with her ex-boyfriend, and Stuart doesn’t want to move in with Denise.

Season 2, Episode 12 - A Tummy Ache and a Whale of a Metaphor Airs January 10, 2019 at 8:30/7:30c on CBS When Sheldon has to spend a few days in the hospital, he turns into the world’s worst patient. Also, Missy gets a taste of what life would be like without her twin.

The Propagation Proposition Airs Thursday, January 10 at 8/7c on CBS Penny's ex-boyfriend, Zack (Brian Thomas Smith), and his wife want a baby, but when Zack is infertile, they ask Leonard for help. Also, Koothrappali attempts to mend things with his ex-fiancée, Anu.

Season 2, Episode 11 - A Race of Superhumans and a Letter to Alf Airs January 3, 2019 at 8:30/7:30c on CBS Sheldon experiments on Missy, and Georgie joins Mary’s bible study to spend more time with his crush, Veronica.

The Paintball Scattering Airs Thursday, January 3 at 8/7c on CBS Penny and Leonard organize a paintball game that results in mayhem when Sheldon is jealous of Amy. Also, Koothrappali catches Anu with her ex-boyfriend, and Stuart doesn’t want to move in with Denise.

The salsa scene follows Leonard talking about how he struck out with Leslie Winkle. Howard says he has a solution, which leads into the dance class: This is the very short dance scene: Given how extrinsic this all is to the plot of the episode, it's perhaps not too surprising stations are cutting this scene out.

The VCR Illumination Aired Thursday, December 6 at 8/7c on CBS Sheldon and Amy are still down about their theory being disproven, but a VHS tape from Sheldon's past inspires him not to give up. Also, Bernadette turns into a pageant mom when she tries to help Wolowitz ace his Magic Castle audition.

The guys go to a salsa class in episode 103 "The Fuzzy Boots Corollary": https://the-big-bang-theory.com/episodeguide/episode/103/The-Fuzzy-Boots-Corollary/